i-Motion 9 Coaster Brake

Information from: http://www.sram.com/sram/trekking-comfort/products/i-motion-9-coaster-brake.

i-MOTION 9 is not only innovative but also intuitive. Its 9-speed gears deliver a wide transmission range combined with the intuitive function of the coaster brake. Universal and useful anywhere.

Specifications

Technology: Shifting servo, Easy-Click connector, Shiftable under load, Shifting while standing, Smooth transition

Transition: 340%

Gears: 9

Weight: 2400g